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Polyurethane Casting: Crafting Precision Parts

Experience the Art of Polyurethane Manufacturing

What is Polyurethane Casting?

Welcome to our world of polyurethane casting, where precision meets innovation right here. Our meticulous process transforms liquid polyurethane resin into exact replicas of your custom designs, ensuring your vision becomes a reality.

How it Works

Pattern or Mold Preparation

The process starts with the creation of a master pattern or a mold that represents the desired final product. This can be made from various materials like wood, plastic, metal, or even a 3D-printed model.

Mixing and Pouring Resin

Polyurethane resin is a two-component material consisting of a polyol (polyether or polyester) and an isocyanate. These components are mixed together in specific ratios just before pouring into the mold.

Filling the Mold

The mixed resin is poured into the mold, ensuring it fills all the cavities evenly.

Curing or Setting

The chemical reaction between the polyol and isocyanate components causes the resin to cure or harden. This process can take anywhere from a few minutes to several hours, depending on the specific formulation and environmental conditions.


Once the resin has fully cured, the mold is opened, and the newly formed polyurethane part is removed.

Mold Life

Usually, the mold is good for 20 pieces per mold.


From aerospace innovation to advancements in healthcare, polyurethane casting is the preferred method for bringing concepts to life right here at ALOR. In the realm of prototyping and low-volume production, its capabilities are unmatched.

Why Choose Polyurethane Casting?


It can replicate intricate details, allowing for complex shapes and fine surface finishes.

Material Properties

Polyurethane resins can be tailored to have a wide range of physical properties, including flexibility, rigidity, hardness, and heat resistance.

Low Cost for Small Batches

Compared to other manufacturing methods, polyurethane casting can be cost-effective for producing small to medium quantities of parts.

Quick Turnaround

The curing process is relatively fast, especially compared to processes like injection molding.

Reduced Tooling Costs

Unlike processes such as injection molding which require expensive molds, polyurethane casting typically requires less expensive molds, making it more accessible for prototyping and low-volume production.

Polyurethane Material Options

For more material options

PolyUrethane Casting gallery


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